From 6967cf59a4f5664d97086ddccd8cc9b29778d0b7 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matthias=20Kr=C3=BCger?= <matthias.krueger@famsik.de>
Date: Tue, 30 Apr 2019 11:10:31 +0200
Subject: [PATCH] clippy-driver: use rustc_tools_util to get version info.

This will add git hash information to `clippy-driver -V` output.
---
 clippy_lints/src/consts.rs | 2 +-
 src/driver.rs              | 9 ++++-----
 2 files changed, 5 insertions(+), 6 deletions(-)

diff --git a/clippy_lints/src/consts.rs b/clippy_lints/src/consts.rs
index 3aa826d8bed..e86e51b7f88 100644
--- a/clippy_lints/src/consts.rs
+++ b/clippy_lints/src/consts.rs
@@ -344,7 +344,7 @@ impl<'c, 'cc> ConstEvalLateContext<'c, 'cc> {
                 }
                 ret
             },
-            // FIXME: cover all useable cases.
+            // FIXME: cover all usable cases.
             _ => None,
         }
     }
diff --git a/src/driver.rs b/src/driver.rs
index 834d11861c0..f4a656722b9 100644
--- a/src/driver.rs
+++ b/src/driver.rs
@@ -10,13 +10,11 @@ extern crate rustc_interface;
 extern crate rustc_plugin;
 
 use rustc_interface::interface;
+use rustc_tools_util::*;
+
 use std::path::Path;
 use std::process::{exit, Command};
 
-fn show_version() {
-    println!(env!("CARGO_PKG_VERSION"));
-}
-
 /// If a command-line option matches `find_arg`, then apply the predicate `pred` on its value. If
 /// true, then return it. The parameter is assumed to be either `--arg=value` or `--arg value`.
 fn arg_value<'a>(
@@ -117,7 +115,8 @@ pub fn main() {
             use std::env;
 
             if std::env::args().any(|a| a == "--version" || a == "-V") {
-                show_version();
+                let version_info = rustc_tools_util::get_version_info!();
+                println!("{}", version_info);
                 exit(0);
             }